Discuz! Database Error

(145) Table '.\bb5dku86\common_searchindex' is marked as crashed and should be repaired

SELECT searchid, dateline, ('10'<>'0' AND useip='54.80.1.73' AND 1521470500-dateline<'10') AS flood, (searchstring='forum|title|5rS75Yqo|0||\\\'50\\\',\\\'63\\\',\\\'36\\\',\\\'37\\\',\\\'60\\\',\\\'61\\\',\\\'77\\\',\\\'78\\\',\\\'40\\\',\\\'84\\\',\\\'85\\\',\\\'83\\\',\\\'41\\\',\\\'68\\\',\\\'86\\\',\\\'74\\\',\\\'56\\\',\\\'57\\\',\\\'58\\\',\\\'59\\\',\\\'69\\\',\\\'75\\\',\\\'76\\\'|0|0|all|||0' AND expiration>'1521470500') AS indexvalid FROM common_searchindex WHERE srchmod='2' AND ('10'<>'0' AND useip='54.80.1.73' AND 1521470500-dateline<10) OR (searchstring='forum|title|5rS75Yqo|0||\\\'50\\\',\\\'63\\\',\\\'36\\\',\\\'37\\\',\\\'60\\\',\\\'61\\\',\\\'77\\\',\\\'78\\\',\\\'40\\\',\\\'84\\\',\\\'85\\\',\\\'83\\\',\\\'41\\\',\\\'68\\\',\\\'86\\\',\\\'74\\\',\\\'56\\\',\\\'57\\\',\\\'58\\\',\\\'59\\\',\\\'69\\\',\\\'75\\\',\\\'76\\\'|0|0|all|||0' AND expiration>'1521470500') ORDER BY flood